JIS C61191-2-2006 Printed board assemblies -- Part 2: Sectional specification -- Requirements for surface mount soldered assemblies 30页 JIS C61191-3-2006 Printed board assemblies -- Part 3: Sectional specification -- Requirements for though-hole mount soldered assemblies 22页 JIS C61191-4-200...
1、1世界钢种 中国 GB 日本 JIS 美国 ASTM 德国无缝钢管对照表钢种中国 GB日本 JIS美国 ASTM德国牌号牌号标准号钢号钢号材料号标准号碳素钢管(Q235)GGPSTPY4,G3452G3457(A53 钢种 F)A283-D(St33)1.0033DIN162610STPG3! 3G3454A135-AA53-A(St37)1.0110DIN1626STPG3! 3G3456A106-ASt37-21.0112DIN17175STS...
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1、世界钢种 中国GB日本JIS美国ASTM德国无缝钢管对照表发布日期:2007-2-27 11:48:18浏览人数:34510钢种中国GB日本JIS美国ASTM德国牌号牌号标准号钢号钢号材料号标准号碳 素钢管(Q235)GGPSTPY4,G3452G3457(A53钢种F)A283-D(St33)1.0033DIN162610STPG3!3G3454A135-AA53-A(St37)1.0110DIN1626STPG3!3G3456A106...